SMD/SMT Interface - I/O Expanders

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Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Mounting Style
Package / Case
Interface Type
Number of I/Os
Interrupt Output
Supply Voltage - Min
Supply Voltage - Max
Maximum Clock Frequency
Minimum Operating Temperature
Maximum Operating Temperature
Qualification
Packaging
ESD Protection

Renesas / Intersil Interface - I/O Expanders PERI PRG-I/O 5V 8MHZ 44PLCC IND
Datasheet
742In Stock
Min.: 1
Mult.: 1

82C55A SMD/SMT PLCC-44 Parallel 24 I/O With Interrupt 4.5 V 5.5 V 8 MHz - 40 C + 85 C Tube 1 kV
Texas Instruments Interface - I/O Expanders ULTRA LOW VOLTAGE AG ILE I/O EXPANDER
Datasheet
191In Stock
9,000Expected 9/18/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

TCAL6408 SMD/SMT UQFN-16 I2C, Serial, SMBus 9 I/O With Interrupt 1.08 V 3.6 V 1 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel
Nexperia Interface - I/O Expanders NCA9539BY/SOT8041/HWQFN24
Datasheet
350In Stock
Min.: 1
Mult.: 1
: 3,000

SMD/SMT HWQFN-24 Reel, Cut Tape
Nexperia Interface - I/O Expanders NCA9555BY-Q100/SOT8041/HWQFN24
Datasheet
158In Stock
3,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT HWQFN-24 I2C, Serial, SMBus 16 I/O With Interrupt 1.65 V 5.5 V 100 kHz, 400 kHz - 40 C + 125 C AEC-Q100 Reel, Cut Tape, MouseReel

Kinetic Technologies Interface - I/O Expanders Low Voltage 16-Bit I2C-bus I/O Expander
Datasheet
28,115In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

KTS1622 SMD/SMT TQFN44-24 I2C, Serial 16 I/O With Interrupt 1.65 V 5.5 V 1 MHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
Microchip Technology Interface - I/O Expanders 8bit Input/Output Exp I2C interface
Datasheet
12,009In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 I2C, Serial 8 I/O With Interrupt 1.8 V 5.5 V 1.7 MHz - 40 C + 125 C Tube Without ESD Protection
Microchip Technology Interface - I/O Expanders In/Out I2C int
Datasheet
8,562In Stock
Min.: 1
Mult.: 1

SMD/SMT SOIC-18 I2C, Serial 8 I/O With Interrupt 1.8 V 5.5 V 1.7 MHz - 40 C + 125 C Tube Without ESD Protection

Microchip Technology Interface - I/O Expanders In/Out I2C int
Datasheet
9,235In Stock
Min.: 1
Mult.: 1

SMD/SMT SSOP-20 I2C, Serial 8 I/O With Interrupt 1.8 V 5.5 V 1.7 MHz - 40 C + 125 C Tube Without ESD Protection

Microchip Technology Interface - I/O Expanders In/Out I2C int
Datasheet
7,218In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,600

SMD/SMT SSOP-20 I2C, Serial 8 I/O With Interrupt 1.8 V 5.5 V 1.7 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel Without ESD Protection

Microchip Technology Interface - I/O Expanders 8-bit I/O Expander I2C interface
Datasheet
3,362In Stock
Min.: 1
Mult.: 1

SMD/SMT SSOP-20 I2C, Serial 8 I/O With Interrupt 1.8 V 5.5 V 3.4 MHz - 40 C + 125 C Tube 4 kV
Microchip Technology Interface - I/O Expanders 8B I/O Expander SPI interface
Datasheet
Product Comments
6,345In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,300

SMD/SMT QFN-16 I2C, Serial 8 I/O With Interrupt 1.8 V 5.5 V 3.4 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel 4 kV

Microchip Technology Interface - I/O Expanders 8-bit I/O Expander I2C interface
Datasheet
1,660In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,600

SMD/SMT SSOP-20 I2C, Serial 8 I/O With Interrupt 1.8 V 5.5 V 3.4 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel 4 kV

Microchip Technology Interface - I/O Expanders 16B I/O Expander I2C interface
Datasheet
1,195In Stock
1,911Expected 9/17/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-24 I2C, Serial 16 I/O With Interrupt 1.8 V 5.5 V 3.4 MHz - 40 C + 125 C Tube Without ESD Protection
Microchip Technology Interface - I/O Expanders 16B I/O Expander I2C interface
Datasheet
6,131In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,300

SMD/SMT QFN-24 I2C, Serial 16 I/O With Interrupt 1.8 V 5.5 V 3.4 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel Without ESD Protection
Microchip Technology Interface - I/O Expanders 16-bit I/O Expander I2C interface
Datasheet
5,767In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,100

SMD/SMT SSOP-24 I2C, Serial 16 I/O With Interrupt 1.8 V 5.5 V 3.4 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel Without ESD Protection
Microchip Technology Interface - I/O Expanders 8bit Input/Output Exp SPI interface
Datasheet
5,811In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 Serial, SPI 8 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Tube Without ESD Protection

Microchip Technology Interface - I/O Expanders In/Out SPI int
Datasheet
9,131In Stock
Min.: 1
Mult.: 1

SMD/SMT SSOP-20 Serial, SPI 8 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Tube Without ESD Protection
Microchip Technology Interface - I/O Expanders 8bit Input/Output Exp SPI interface
Datasheet
3,478In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,300

SMD/SMT QFN-20 Serial, SPI 8 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel Without ESD Protection
Microchip Technology Interface - I/O Expanders 8B I/O Expander SPI interface
Datasheet
Product Comments
10,830In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-16 Serial, SPI 8 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Tube 4 kV
Microchip Technology Interface - I/O Expanders 8B I/O Expander SPI interface
Datasheet
Product Comments
2,753In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,300

SMD/SMT QFN-16 Serial, SPI 8 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel 4 kV

Microchip Technology Interface - I/O Expanders 8-bit I/O Expander SPI interface
Datasheet
2,088In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,100

SMD/SMT SOIC-18 Serial, SPI 8 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel 4 kV
Microchip Technology Interface - I/O Expanders 16bit Input/Output Exp SPI interface
Datasheet
5,250In Stock
Min.: 1
Mult.: 1

MCP23S17 SMD/SMT QFN-28 Serial, SPI 16 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Tube 4 kV
Microchip Technology Interface - I/O Expanders 16B I/O Expander SPI interface
Datasheet
6,333In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-24 Serial, SPI 16 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Tube Without ESD Protection
Microchip Technology Interface - I/O Expanders 16B I/O Expander SPI interface
Datasheet
910In Stock
Min.: 1
Mult.: 1

SMD/SMT SOIC-28 Serial, SPI 16 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Tube Without ESD Protection
Microchip Technology Interface - I/O Expanders 16B I/O Expander SPI interface
Datasheet
3,694In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,300

MCP23S18 SMD/SMT QFN-24 Serial, SPI 16 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel Without ESD Protection